Search a number
-
+
289552 = 2418097
BaseRepresentation
bin1000110101100010000
3112201012011
41012230100
533231202
610112304
72314114
oct1065420
9481164
10289552
111885aa
1211b694
13a1a43
1477744
155abd7
hex46b10

289552 has 10 divisors (see below), whose sum is σ = 561038. Its totient is φ = 144768.

The previous prime is 289543. The next prime is 289559. The reversal of 289552 is 255982.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 92416 = 444^2 + 304^2 .

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (289559) by changing a digit.

289552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033 + ... + 9064.

2289552 is an apocalyptic number.

It is an amenable number.

289552 is a deficient number, since it is larger than the sum of its proper divisors (271486).

289552 is a wasteful number, since it uses less digits than its factorization.

289552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18105 (or 18099 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 289552 is about 538.1003623861. The cubic root of 289552 is about 66.1569573220.

It can be divided in two parts, 289 and 552, that added together give a square (841 = 292).

The spelling of 289552 in words is "two hundred eighty-nine thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 18097 36194 72388 144776 289552